学步园

#include <stdio.h>
#include "cv.h"
#include "highgui.h"

#define LONGESTPATH 512

/*************************
* path : the path of frames
* lenPath : how many bytes in path
* frameNum : the number of frame you want to load
* imageExt : the frame image extension name. e.g. jpg
*************************/
IplImage* readframe(char *path, int lenPath, int frameNum, char *imageExt)
{
  IplImage *imgReturn = NULL;
  char     frameName[LONGESTPATH];

  sprintf (frameName, "%s%d.%s", path, frameNum, imageExt);
  imgReturn = cvLoadImage(frameName, CV_LOAD_IMAGE_GRAYSCALE);
  return imgReturn;
}

int main(int argc, char **argv)
{
  IplImage* imgInput;
  int       startNum;
  int       numFrames;
  int       iter;

  if (argc < 5)
  {
    fprintf (stdout, "please use: .\\hs.exe path start_number number_of_frames frame_extension\n");
    fprintf (stdout, "e.g.: .\\hs.exe ..\\..\\data\\jpeg-20-frames\\ 1 20 jpg\n");
    return -1;
  }
  startNum = atoi(argv[2]);
  numFrames = atoi(argv[3]);

  cvNamedWindow("Image", CV_WINDOW_AUTOSIZE);//
  
  for (iter = startNum; iter <= numFrames; iter++ )//
  {
    imgInput = readframe(argv[1], strlen(argv[1]), iter, argv[4]);
    if (NULL == imgInput)
    {
      fprintf (stderr, "Can not read the %dth frame in your directory you specified!\n", iter);
      return -1;
    }
    cvShowImage( "Image", imgInput );//
    cvWaitKey(1000/5);
    cvReleaseImage( &imgInput ); //
  }
  cvDestroyWindow( "Image" );//
  
  return 0;
}

只有代码。。。。